///*
// * Copyright 1999-2018 Alibaba Group Holding Ltd.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//package com.alibaba.csp.sentinel.dashboard.controller;
//
//import java.util.Date;
//import java.util.List;
//
//import com.alibaba.csp.sentinel.dashboard.auth.AuthAction;
//import com.alibaba.csp.sentinel.dashboard.client.SentinelApiClient;
//import com.alibaba.csp.sentinel.dashboard.discovery.MachineInfo;
//import com.alibaba.csp.sentinel.dashboard.auth.AuthService.PrivilegeType;
//import com.alibaba.csp.sentinel.slots.block.RuleConstant;
//import com.alibaba.csp.sentinel.util.StringUtil;
//
//import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.AuthorityRuleEntity;
//import com.alibaba.csp.sentinel.dashboard.domain.Result;
//import com.alibaba.csp.sentinel.dashboard.repository.rule.RuleRepository;
//
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.web.bind.annotation.DeleteMapping;
//import org.springframework.web.bind.annotation.GetMapping;
//import org.springframework.web.bind.annotation.PathVariable;
//import org.springframework.web.bind.annotation.PostMapping;
//import org.springframework.web.bind.annotation.PutMapping;
//import org.springframework.web.bind.annotation.RequestBody;
//import org.springframework.web.bind.annotation.RequestMapping;
//import org.springframework.web.bind.annotation.RequestParam;
//import org.springframework.web.bind.annotation.RestController;
//
///**
// * @author Eric Zhao
// * @since 0.2.1
// */
//@RestController
//@RequestMapping(value = "/authority/v1")
//public class AuthorityRuleControllerV1 {
//
//    private final Logger logger = LoggerFactory.getLogger(AuthorityRuleControllerV1.class);
//
//    @Autowired
//    private SentinelApiClient sentinelApiClient;
//    @Autowired
//    private RuleRepository<AuthorityRuleEntity, Long> repository;
//
//    @GetMapping("/rules")
//    @AuthAction(PrivilegeType.READ_RULE)
//    public Result<List<AuthorityRuleEntity>> apiQueryAllRulesForMachine(@RequestParam String app,
//                                                                        @RequestParam String ip,
//                                                                        @RequestParam Integer port) {
//        if (StringUtil.isEmpty(app)) {
//            return Result.ofFail(-1, "app cannot be null or empty");
//        }
//        if (StringUtil.isEmpty(ip)) {
//            return Result.ofFail(-1, "ip cannot be null or empty");
//        }
//        if (port == null || port <= 0) {
//            return Result.ofFail(-1, "Invalid parameter: port");
//        }
//        try {
//            List<AuthorityRuleEntity> rules = sentinelApiClient.fetchAuthorityRulesOfMachine(app, ip, port);
//            rules = repository.saveAll(rules);
//            return Result.ofSuccess(rules);
//        } catch (Throwable throwable) {
//            logger.error("Error when querying authority rules", throwable);
//            return Result.ofFail(-1, throwable.getMessage());
//        }
//    }
//
//    private <R> Result<R> checkEntityInternal(AuthorityRuleEntity entity) {
//        if (entity == null) {
//            return Result.ofFail(-1, "bad rule body");
//        }
//        if (StringUtil.isBlank(entity.getApp())) {
//            return Result.ofFail(-1, "app can't be null or empty");
//        }
//        if (StringUtil.isBlank(entity.getIp())) {
//            return Result.ofFail(-1, "ip can't be null or empty");
//        }
//        if (entity.getPort() == null || entity.getPort() <= 0) {
//            return Result.ofFail(-1, "port can't be null");
//        }
//        if (entity.getRule() == null) {
//            return Result.ofFail(-1, "rule can't be null");
//        }
//        if (StringUtil.isBlank(entity.getResource())) {
//            return Result.ofFail(-1, "resource name cannot be null or empty");
//        }
//        if (StringUtil.isBlank(entity.getLimitApp())) {
//            return Result.ofFail(-1, "limitApp should be valid");
//        }
//        if (entity.getStrategy() != RuleConstant.AUTHORITY_WHITE
//            && entity.getStrategy() != RuleConstant.AUTHORITY_BLACK) {
//            return Result.ofFail(-1, "Unknown strategy (must be blacklist or whitelist)");
//        }
//        return null;
//    }
//
//    @PostMapping("/rule")
//    @AuthAction(PrivilegeType.WRITE_RULE)
//    public Result<AuthorityRuleEntity> apiAddAuthorityRule(@RequestBody AuthorityRuleEntity entity) {
//        Result<AuthorityRuleEntity> checkResult = checkEntityInternal(entity);
//        if (checkResult != null) {
//            return checkResult;
//        }
//        entity.setId(null);
//        Date date = new Date();
//        entity.setGmtCreate(date);
//        entity.setGmtModified(date);
//        try {
//            entity = repository.save(entity);
//        } catch (Throwable throwable) {
//            logger.error("Failed to add authority rule", throwable);
//            return Result.ofThrowable(-1, throwable);
//        }
//        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
//            logger.info("Publish authority rules failed after rule add");
//        }
//        return Result.ofSuccess(entity);
//    }
//
//    @PutMapping("/rule/{id}")
//    @AuthAction(PrivilegeType.WRITE_RULE)
//    public Result<AuthorityRuleEntity> apiUpdateParamFlowRule(@PathVariable("id") Long id,
//                                                              @RequestBody AuthorityRuleEntity entity) {
//        if (id == null || id <= 0) {
//            return Result.ofFail(-1, "Invalid id");
//        }
//        Result<AuthorityRuleEntity> checkResult = checkEntityInternal(entity);
//        if (checkResult != null) {
//            return checkResult;
//        }
//        entity.setId(id);
//        Date date = new Date();
//        entity.setGmtCreate(null);
//        entity.setGmtModified(date);
//        try {
//            entity = repository.save(entity);
//            if (entity == null) {
//                return Result.ofFail(-1, "Failed to save authority rule");
//            }
//        } catch (Throwable throwable) {
//            logger.error("Failed to save authority rule", throwable);
//            return Result.ofThrowable(-1, throwable);
//        }
//        if (!publishRules(entity.getApp(), entity.getIp(), entity.getPort())) {
//            logger.info("Publish authority rules failed after rule update");
//        }
//        return Result.ofSuccess(entity);
//    }
//
//    @DeleteMapping("/rule/{id}")
//    @AuthAction(PrivilegeType.DELETE_RULE)
//    public Result<Long> apiDeleteRule(@PathVariable("id") Long id) {
//        if (id == null) {
//            return Result.ofFail(-1, "id cannot be null");
//        }
//        AuthorityRuleEntity oldEntity = repository.findById(id);
//        if (oldEntity == null) {
//            return Result.ofSuccess(null);
//        }
//        try {
//            repository.delete(id);
//        } catch (Exception e) {
//            return Result.ofFail(-1, e.getMessage());
//        }
//        if (!publishRules(oldEntity.getApp(), oldEntity.getIp(), oldEntity.getPort())) {
//            logger.error("Publish authority rules failed after rule delete");
//        }
//        return Result.ofSuccess(id);
//    }
//
//    private boolean publishRules(String app, String ip, Integer port) {
//        List<AuthorityRuleEntity> rules = repository.findAllByMachine(MachineInfo.of(app, ip, port));
//        return sentinelApiClient.setAuthorityRuleOfMachine(app, ip, port, rules);
//    }
//}
